Railway water column



June 25, 1929.

J. T. M GARRY RAILWAY WATER COLUMN Original Filed Oct. 25, 1924 5 Sheets-Sheet 1 I72 venf'or:

June 25, 1929. J MC 1,718,245

RAILWAY WATER COLUMN Original Filed Oct. 25, 1924 5 Sheets-Sheet 2 TmcQarry June 25, 1929. J. T. M GARRY RAILWAY WATER COLUMN Original Filed Oct. 25, 1924 5 She t-Sheet 4 Jung 25, 1929. J. '1'. M GARRY RAiLwAY WATER COLUMN 5 Sheets-Sheet 5 Original Filed Oct. 25, 1924 Patented June 25, 1929.

F' NITED STATES 1,718,245 PATENT OFFICE...

JOHN T. MCGARRY, OI! CINCINNATI, OQHIO.

RAIILWAY WATER COLUMN.

J Application filed October 25, 1924, Serial No. 745,785. Renewed fi'ovember 80, 1828.

My invention relates torailway water columns and particularly to that class of water columns in which a revoluble standpipe or column is employed, having connected therewith a delivery/nozzle and associated discharge spout which is movable relatively to the nozzle in such manner as to give flexibility and a considerable vertical range to the delivery end of the spout. A'particular object of my invention is to provide improved mechanism which will prevent water hammer when the water is shut off from the delivery spout.

The full objects and advantages ofmy invention will appear in connection with the detailed description thereof and the novel features-embodied in my inventive idea will be particularly pointed out in the clairns.

1n the accon'ipanying drawings which will illustrate my invention in one form:

Fig. 1 is a side elevational view of the water column with a small portion broken away. Fig. 2 is a view in cross-section on the line 22 of Fig. 1. Fig.3 is a view of the lower portion of the water-column in vertical section-and on an enlarged scale] with the main 1 valve in open position. Fig. '4 is a view corresponding in general to Fig. 3 except that the main valve is shown in closed position. Fig. 5 is a View in cross section on the line 55 of Fig. 4. Fig. 6 is a view in cross-section on the line 66 of Fig. 4. Fig. 7 is a view in crosssection on the line 7 7 of Fig. 4.

i Fig. 8 is a view in cross-section on the line 8-8 of Fig. 4. Fig. 9 a vertical sectional view of the lower portion of the water column taken at right anglesto the position shown in Fig. 3 and substantially on the" line 9'9 of Fig. 7 and, with the main valve partly closed.

Fig. 10 is an elevational view of a cleaning ing an outturned flange 64 at its lower end.

ring. Fig. 11 is a view in cross section on the line 11-11 of Fig. 9. Fig. 12 is a View in cross section on theline 1212 of Fig. 9.

Referring to the construction shown in the drawings the numeral 14 designates a vertical tubular column which, toward its lower end, has secured thereto, a split sleeve 16 which at diametrically opposite sides is provided with bearings for supporting rollers 18 and 20 which rest upon a trackway 21 formed at the upper end 0 a pedestal 22 which, at-its lower end, is bolted to a horizontal plate or support 24 placed on the ground between two setsof railway tracks. A hood25 is secured to the column 14 and extends down outside of the rollers 18 and 20 and the trackway 21 to protect them from snow anddirt. The plate 24 is open at its center and is located above a pit 26 containing valve mechanism which will be described later. The trackway 21 is provided with diametrically opposite notches into which the rollers 18 and 20 drop, when the column 14 is in such position that a spout 28 carried" at the upper end thereof is with the railway tracks, When the co umn 14 is turned to bring the spout 28 crosswise of the railway tracks, the rollers rise out of the notches in the trackway 21 and the column is lifted. The inner end of the spout 28 is pivotally attached to hangers 30 supported from a beam 32, extending out horizontally from the upper end ofuthe column 14. A hook 34 is secured to an intermediate portion of the spout 28. A spout cable 36 is secured to this hook and the cable which is in two parts passes'over a sheave 38 secured to the beam 32. The two branches of the cable ass respectively over two sheaves 40 secure to opposite sides of the column 14 and the lower ends of this cable are secured to a spoutweight 42 which is in the form of a ring slidably surrounding the column. The weight 42 bal-- ances the spout for ease of operation. The spout 28 telescopes loosely over a nozzle 44 extending out laterally from the column 14.

A hand loop 46 is attached to the outer end of the beam 32 for convenience in pullin the spout over the railway tracks on each si' e of t 1e column. An operating lever 48 1s p1votally attached at 50 to lugs 52 extending u from the top of the column. The inner en arallel of the lever 48 is pivotally attached to two rods 54 and 56 extending down on opposite sides of the column14 and attached at their lower ends by turnbuckles 58' and 60 to a ring 62 slidably surrounding the column and hav- The outturned flange 64 is locate-d beneath the inturned flange 66 of a ring 68 which, at diametrically opposite points 1s connected by rods 70 and 72 with a cross-bar 74. The rods from the lower portion of the casing. The valve 86 extends slidably through an annular leather packing 92 andthrough a cleaning ring 94 which is held in place on an inturned flange of the casing. The ring 94 is partlycut away to form eircumferentially extending openings as shown in Fig. '10 so as to efl'fectuallyclean the surface of the a valve 86. Spaced inwardly from the upwardly extending portion 90 of the casing is a perforated cylinder 96, the upper end of which has a flange engaged by a cap 98 which is secured to the extension 90 by screw-bolts and which aids inholding the rubber seat 88 in place as shown in Fig. 9. The cap 98 at its center is provided with a packing gland 100 through which the valve rod 84 extends. Attached to the lower end of the valve rod and operating in the perforatedpylinder 96 is a piston 102- having a'central opening controlled b a pieton valve 104 adapted to engage a va ve seat 106 as will be apparent from Fig. 3. A tube 105 leads from the lower end of the perforated cylinder 96 and this tube contains a valve seat with which a needle valve 107 co operates. The tube 105 extends through the casing and its outer end is internally threaded to receive a threaded portion of the needle valve stem so that the extent to which .the nee.- dle valve is opened may be very accurately governed. The tube 105 beyond the valve seat therein is provided with a perforation 109 which permits liquid forced out of the cylinder 96 to escape into the space surrounding this cylinder. The portion of the casing a'djacent the main valve 86 is provided with drain ports 108 which are opened only when Fig. 4.

this vlave is closed as will be apparent from eading into the lower end of the valve casing is a short pipe fitting 110 which may be connected with any convenient source of water supply. As best shown in Fig. 9, the casin is provided with a relief valve 112, held own by a stifl spring 114. v

The operation and advantages of my invention will nowbe obvious. When the spout is to be used for supplying the locomotive tender with water, the fireman grasps the hand loop 46 and pulls the spout around from its position parallel with the railway tracks, thereby causing the rollers.18 and 20 to ride up on the raised portions of the trackway 21 and lifting the water column 14 whereby the I engagement with the flange 66 on thering 68.

The fireman then depresses the operating lever 48, thereby pulling upwardly on the valve rods 54 and 56 and lifting the main valve 86 into the position shown in Fig. 3.

-This opens the passageway from the inlet pipe through the column so that water flows I out of the spout. When the fireman releases the spout, it swings back to its position parallel with the tracks where it is held on ac- The main valve 86 connected through the yoke 7 4 and the rod 7 2- with, the ring device 6668 which, as clearly appears in Figs. 3 and 4 constitutes a gravity device or weight tending to push the valve down, immediately starts to close. Tests have demonstrated thatit is immaterial how quickly the first of the valve closure is effected, but if the remaining 15% of the valve closure is made too quickly, a water hammer will follow with very destructive results on joints, water mains and even water tanks which are damaged by the vibration. The descent of the main valve causes the piston valve 104 to close and the liquid in the perforated cylinder 96,is quickly forced out of the perforaof which is regulated for'the maximum pressure -which ,might be carried in the water main. On account of the protection against Water hammer, provided by this mechanism, the column may be connected directly to city water mains. It'will be noted that when the spout is in its position parallel with the rail way tracks, the valve 86 cannot be opened, due to the fact that the rollers 18 and 20-,are 1n the notches so that the rings 62 and 68 oc-.

cupy the separated position shown in Fig. 4,

it being understood that the valve actuating lever 48 does nothave sufficient throw to take up the lost motion between the flanges 64 and 66IWl11en the spout is in position just stated.

1. A railway water column comprising a revoluble standpipe having an outwardly ex-- tended delivery nozzle, a valve controlling the entrance of water into the lower end of said standpipe, a weight connected to said valve, means for lifting said weight to open said valve said Weight operating to close the valve independently of said lifting means, meanscontrolling said weight when released to cause said valve to move rapidly during the first portion-of its closing movement,- and means for causing said valve-to move slowly during the last portion of its closing movement.

2. A railway water column comprising a revoluble standpipe having an outwardly extended deliver-y nozzle, a valve controlling the entrance of water intothe lower end of. sad standpipe, a weight connected to said valve, means for lifting said weight to open said valve said weight operating to close thevalve independently of said lifting means, means controlling said weight when released to cause said valve to move rapidly during the first portion of its closing movement, and

a dash-pot device connected to said valve for tended-delivery nozzle, a sliding valve con trolling the entrance of water into the lower end of said standpipe, a ring-like weight surrounding said standpipeand connected to said valvesaid weight operating to close the valve independently of said lifting means, means for lifting said weightto open said valve, means controlling said weight when released to cause said valve to move rapidly during the first portion of its closing movement, a liquid chamber below said valve, a perforated cylinder in said chamber, and a piston connected to said valve and operating in said cylinder forcausing said valveto move slowly during the last portion of its closing movement. c 7

4. A railwa water column comprising a revoluble stan pipe having an outwardly extended delivery nozzle, a sliding valve con trolling the entrance-of water into the lower end of said standpipe, a ring-like weight surrounding said standpipe and connected to said valve said weight operating to close the valve independently of said lifting means, means for lifting said weight to open said valve, means controlling said weight when -released to cause said valve to move rapidly during the first ortion of its closing movement, a liquid ciamber below said valve, a

perforated cylinder in said chamber, a piston connected to said valve and operating in said cylinder for causing saidvalve to move slowly during the last portion of its closing movement, a" passageway leading from the lower endof said cylinder into said chamber, and means for regulating the flow of liquid through said passageway.

5. A railway water column comprising a revoluhle standpipe havingan outwardly extended delivery nozzle, a sliding valve controlling the entrance of water into the lower end of said standpipe, a ring-like weight surrounding said standpipe and connected to said valve-said weight operating to close the valve independently of said lifting means, means for lifting said weight to open said valve, means controlling said weight when released to cause said valve to move rapidly during the first portion of its closing movement, a-liquid chamber below said valve, a perforated cylin-i, der in said chamber, a piston connected to said valve and o crating in said cylinder for causing saidva ve to move slowly durin the last portion of. its closing movement, and a piston slowly during valve carried by said piston and'arranged to close during downward movement of said piston and toppen during upward movement thereof. r

6. A railway water column comprising a revoluhle standpipe having an outwardly ex tended delivery nozzle, a valve controlling the entrance of water into the lower end of said standpipc, a ring slidably surrounding said standpipe and having an outturncd flange, a

ringlike weight outside of said ring and hav-' ing an inturned flange overlying said outturned flange, connections between said plate and said valve, means for moving said ring upwardly to lift said weight and open said valve, means controlling said weight when re leased to cause said valve to move rapidly during the first portion of its closing movement, and means for causing said valve to move the last portion of its closing movement. \4

7. A railway water column comprising a revoluble standpipe having an outwardly extended delivery nozzle, a sliding valve controlling the entrance of water into the lower end'of said standplpe, a rod extending up from said valve, a cross-bar secured to said -rod, a ring-like weight surrounding said standpipe, and connected with said cross bar and operatlve to close the valve when re-c leased, means foropening said valve operative to lift and then to release the weight and, means controlling movement of said weight when released to cause said valve to move rapidly during the first portion of its closing movement, and to move slowly during the last portion of its closing movement.

g 8. A railway water column comprising a revolublc standpipc having an outwardly extended delivery nozzle, a casing from the upper end of which said standpipe leads, a cylindrical sliding valve in said casing controlling the entrance of water into the lower end of said standpipe, a ring-like weight surrounding said standpipe and connected to said valve, means for lifting said weight to open saidvalve said weight operating to close the valve independently of the, valve lifting means, means controlling said weight when released, to cause said valve to move rapidly tended delivery nozzle, means for causingupward'movement of said standpipe when partially revolved from its normal position, a sliding valve controlling the entrance of water into the lower end of said standpipe, a ring-like weiglrt surrounding said standpipe and connected to said valve, means operative to lift said weight and open said der for causing said valve to move slowly during the last portion ofits closing move-' ment.

10. Arailway water column comprising a revoluhle standpipe having an outwardly extended delivery nozzle, means for causing upward movement of said standpipe when partially revolved from its normal'position, a sliding valve controlling the entrance of water into the lower end of said standpipe, a

ring slidably surroundingsaid standpipe and having an outturned flange, a ring-like weight outside of sa1d mug and having an 1nturned flange overlying sa1d outturned flange, with which it has operative engage.

ment only when said standpipe is in its operative position, connections between said weight and said valve, manually operable means mounted on the upper end of said standpipe for lifting said ring to open said valve, means controlling said weight when released to cause'said valve to move rapidly during the first portion of its closing movement, a liquid chamber below said valve, a perforated cylinder in said chamber, and a piston connected to said valve and operating in said cylinder for causing said valve to move slowly durlng the last portlon of its closing movement.-

In testimony whereof hereunto ailix my signature'.

JOHN T. MoGARRY. 

